<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"> </el-table-column>
        <el-table-column label="商品名称" prop="goods_name"> </el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="70px">
        </el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="60px">
        </el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="150px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dataForm }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            >
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页功能区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        // 商品列表查询参数
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10,
        },
        // 商品列表
        goodslist: [],
        total: 0,
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      // 根据分页获取相应的商品列表
      async getGoodsList() {
        const { data: res } = await this.$http.get('goods', {
          params: this.queryInfo,
        })
        if (res.meta.status !== 200) {
          return this.$message.error('获取商品列表失败')
        }
        this.$message.success('获取商品列表成功')
        this.goodslist = res.data.goods
        this.total = res.data.total
        console.log(this.goodslist)
      },
      // 监听条数值
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      // 监听页码值
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      // 根据id删除项目列表
      async removeById(id) {
        const confirmResult = await this.$confirm(
          '此操作将永久删除该文件, 是否继续?',
          '提示',
          {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning',
          }
        ).catch((err) => err)
        // 用户取消了删除操作
        if (confirmResult !== 'confirm') {
          return this.$message.info('取消了删除')
        }
        // 删除的逻辑
        const { data: res } = await this.$http.delete(`goods/${id}`)
        if (res.meta.status !== 200) {
          return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodsList()
      },
      // 添加商品跳转页面
      goAddpage(){
        this.$router.push('/goods/add')
      }
    },
    computed: {},
  }
</script>

<style lang="less" scoped>
</style>